Switch key



FIG. 1 is a perspective view of a switch key showing our new design;

FIG. 2 is a side elevational view of the switch key on an enlarged scale;

FIG. 3 is a front elevational view of the switch key on an enlarged scale;

FIG. 4 is a top plan view of the switch key on an enlarged scale;

FIG. 5 is a side elevational view of the switch key similar to FIG. 2, but with the bottom prongs shown;

FIG. 6 is a front elevational view of the switch key on a greatly enlarged scale;

FIG. 7 is a rear end elevational view of the switch key on a greatly enlarged scale; and

FIG. 8 is a bottom plan view of the switch key on a greatly enlarged scale.

The prongs are omitted from the switch key in FIGS. 1, 2 and 3 for clarity of disclosure, it being understood that the _switch key of our design is shown completely in FIGS. 5, 6, and 7. A switch into which the switch key of our design may be _inserted is shown in broken lines in FIGS. 1, 2 and 3 for illustrative purposes only. _ 

The ornamental design for switch key, substantially as shown and described. 